Green, Tweed and Company Chemraz O-rings and Products, H&D Distributors, Inc.

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Greene, Tweed and Company “Chemraz®”

H&D Distributors is an Authorized Distributor of Greene, Tweed and Company “Chemraz®” O-Rings and products.

Chemraz® is an outstanding product line of Perfluoroelastomer R-Rings and seals. Compounds have been specially formulated to give you the best performance for the best value.

H&D Distributors stocks a large variety of compounds and sizes. Contact us for your most demanding requirements!!

H&D Distributors is an Authorized Distributor of Greene, Tweed and Company “Chemraz®” O-Rings and products.

A partial general listing of some of the more common Chemraz® compounds are shown in the following chart.

COMP0UND #	COLOR	TEMP. RANGE (º C)	HARDNESS (Shore A)	GENERAL DESCRIPTION
SD 550	Black	-30 to 210	75	Used in systems where contamination is less critical
SD 653	Black	-15 to 325	80	Used in systems where contamination is less critical and temperatures are high
SD 570	White	-30 to 210	70	Cleanest compound for wet systems - static applications
SD 571	White	-30 to 210	80	Cleanest compound for wet systems - semi-dynamic applications
SD 592	White	-30 to 240	85	Most chemically inert filler system - recommended for wet static applications
SS 592	White	-30 to 240	85	Most chemically inert filler system - recommended for static and dynamic applications
SS 513	White	-30 to 240	80	Best Chemical compatibility - most universal
SS 520	White	-30 to 240	90	For harsher chemistries and chemical compatibility - higher temperature applications
SS E38	White	-20 to 260	80	Excellent chemical compatibility and material properties - higher temperature applications

(877) 838-SEAL(7325) or (214) 351-1251, 3236 Irving Blvd. Dallas, Texas 75247